diff --git a/wo/cli/plugins/stack_upgrade.py b/wo/cli/plugins/stack_upgrade.py
index 4ff5e8c..7f3e4f8 100644
--- a/wo/cli/plugins/stack_upgrade.py
+++ b/wo/cli/plugins/stack_upgrade.py
@@ -9,7 +9,6 @@ from wo.core.fileutils import WOFileUtils
 from wo.core.shellexec import WOShellExec
 from wo.core.extract import WOExtract
 from wo.core.download import WODownload
-from wo.cli.plugins.stack import WOStackController
 import configparser
 import os
 import shutil